DataDuck - Format and create test data offline

Generate Payment Info, Texts, Files and format Json Offline with DataDuck.

As of May 2026, DataDuck - Format and create test data offline has 25 users and a 5.00/5 rating from 8 reviews in the Developer Tools category.

Usersdown 3.8 percent3.8%
25
25
Ratingno change0%
5.00
8 reviews
Reviewsno change0%
8
Version
1.2.0
Manifest V3

History

4 snapshots

Tracking since Apr 20, 2026.

27.424.521.6Apr 20, 2026May 30, 2026
View as table
DateUsersRatingReviewsVersion
Apr 20, 2026265.0081.2.0
May 5, 2026225.0081.2.0
May 16, 2026275.0081.2.0
May 30, 2026235.0081.2.0
Now255.0081.2.0

Permissions & access

Permissions
storage
Host access
None declared

Screenshots

DataDuck - Format and create test data offline screenshot 1

About

DataDuck is a Chrome extension with multiple functionalities to ease test data generation for testers, QA engineers, and developers. With its simple interface, you can generate realistic and multilingual data for your apps instantly without any effort.

Features:

Multilingual Text Generation
> Generate random text in different languages with dynamic lengths (up to 2500 characters) to test multilingual content and interfaces.

Realistic Personal Data
> Create real-looking names, birthdates, addresses, phone numbers, and email addresses for various countries and cultures in an instant.

Payment Data Simulation 
> Create realistic payment details like card numbers, BIC, IBAN, routing numbers (where applicable), expiry dates, and CVV for finance testing.

JSON Formatting & Validation
> Format and validate JSON data with built-in tools to ensure your data is well-formatted.

File Generation
> Create test files as large as 30 MB in size with dynamic content generation that conserves memory by streaming the data in chunks.

User-Friendly Interface 
> Enjoy a minimalistic and simplified experience that allows you to create a wide range of test data within a few clicks.


Whether you need to populate forms with actual information or simulate complex financial transactions, DataDuck is a one-stop solution to accelerate your development and testing cycles.

Technical

Version
1.2.0
Manifest
V3
Size
911KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
cafomnpnbcddegfobadodkodhpiefeke
Developer ID
ub36e4082742bb931ef39e1f2e5d48d93
Developer Email
[email protected]
Created
Jan 19, 2025
Last Updated (Store)
May 27, 2025
Last Scraped
May 30, 2026
Website
Support URL
Privacy Policy

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Data sourced from the Chrome Web Store · last verified May 30, 2026.